FPCN39 CWLW 181500 SMOKE CONTROL FORECAST FOR BC AND YUKON ISSUED BY THE MOUNTAIN WEATHER SERVICE OFFICE OF ENVIRONMENT CANADA AT 7:00 AM PST TUESDAY 18 JANUARY 2000 FOR TODAY. VENTILATION INDICES AND MIXING HEIGHTS. MIXING HEIGHTS IN METRES ABOVE SEA LEVEL. AVERAGE WINDS IN KM/HR. SUBTRACT 20 FROM THE VENTILATION INDEX IN VALLEYS IF THE MIXING HEIGHT IS BELOW THE HEIGHT OF THE LOCAL HILLS. SOUTHERN INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FRSR CANYON 25/POOR 464 16 37/FAIR 698 8 32/POOR 548 11 KAMLOOPS 69/GOOD 805 9 76/GOOD 966 21 22/POOR 660 5 OKANAGAN 19/POOR 540 14 39/FAIR 824 13 28/POOR 823 11 CASTLEGAR 12/POOR 519 7 50/FAIR 932 11 26/POOR 875 8 CRANBROOK 17/POOR 1040 13 49/FAIR 1459 15 38/FAIR 1406 7 REVELSTOKE 73/GOOD 981 10 40/FAIR 1295 15 39/FAIR 952 7 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PENTICTON 0 0 SW 26 W 35 CRANBROOK W 13 W 46 CENTRAL INTERIOR *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) QUESNEL 14/POOR 609 12 25/POOR 880 4 20/POOR 705 13 100 MILE 21/POOR 1044 11 45/FAIR 1298 15 21/POOR 1245 6 WILLIAMS LK 20/POOR 1076 14 29/POOR 1305 8 17/POOR 1146 5 PUNTZI MNT 13/POOR 941 15 20/POOR 1242 2 19/POOR 1154 9 PR. GEORGE 12/POOR 719 7 21/POOR 969 7 14/POOR 786 6 BURNS LAKE 14/POOR 759 15 12/POOR 734 11 16/POOR 841 6 SMITHERS 13/POOR 553 16 16/POOR 671 11 21/POOR 733 4 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m PR. GEORGE W 35 W 50 SMITHERS NW 31 NW 43 NORTHERN BC/YUKON *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) FT NLSN 12/POOR 398 27 13/POOR 417 14 13/POOR 399 28 FT STJOHN 14/POOR 732 20 12/POOR 714 26 13/POOR 719 27 WHITEHORSE 18/POOR 781 20 20/POOR 766 35 12/POOR 711 29 DAWSON 39/FAIR 563 26 13/POOR 401 16 12/POOR 380 23 WATSON LAKE 12/POOR 710 9 12/POOR 719 5 12/POOR 695 9 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m DEASE LAKE W 31 NW 54 WATSON LAKE W 43 NW 57 WHITEHORSE W 48 W 56 MAYO SW 28 W 48 COAST *** TODAY *** *** TOMORROW *** ****** 7:00 AM **** **** 4:00 PM ***** ***** 4:00 PM ***** VI MXG HT Wnd VI MXG HT Wnd VI MXG HT Wnd (m) (km/h) (m) (km/h) (m) (km/h) VANCOUVER 17/POOR 131 15 16/POOR 190 6 21/POOR 86 29 FRASER VLY 16/POOR 130 9 15/POOR 271 0 16/POOR 135 25 SRN VRISL 13/POOR 172 8 18/POOR 183 7 33/POOR 216 19 CNTRL VRISL 14/POOR 100 8 16/POOR 255 5 36/FAIR 298 14 NRN VRISL 18/POOR 146 12 20/POOR 192 8 16/POOR 83 18 TERRACE 35/FAIR 244 24 17/POOR 397 4 28/POOR 465 13 STEWART 14/POOR 71 5 13/POOR 66 16 12/POOR 45 16 FORECAST UPPER WINDS FOR TUESDAY AFTERNOON (WINDS IN KM/H) : 900m 1800m 2700m VANCOUVER E 11 SW 9 W 22 SANDSPIT N 14 NW 22 NW 37 PORT HARDY 0 0 W 24 W 41 VENTILATION GUIDELINES: 0-33.....POOR 34-54.....FAIR 55-100.....GOOD. VENTILATION INDICES NORMALLY DROP TO POOR AFTER SUNSET END/TCS $$$$^^